belongsTo(Pelaporan::class, 'PelaporanId', 'PelaporanId'); } /** * Relasi ke model RefIpal. */ public function refIpal() { return $this->belongsTo(RefIpal::class, 'RefIpalId', 'RefIpalId'); } /** * Relasi ke model IpalParameter. */ public function ipalParameters() { return $this->hasMany(IpalParameter::class, 'IpalId', 'IpalId'); } }